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Tables and Reference Information A-29
8399APXA.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 1:25 PM Printed: 02/19/01 1:40 PM
Page 29 of 58
Function or Instruction/
Arguments Result
Key or Keys/
Menu or Screen/Item
StorePic
n
Stores current picture in
picture
Pic
n
.
y
[
DRAW
]
STO
1:StorePic
8
-
17
String
4
Equ(
string
,
Y=
var
)
Converts
string
into an
equation and stores it in
Y=
var
.
y
[
CATALOG
]
String
4
Equ(
15
-
8
sub(
string
,
begin
,
length
)
Returns a string that is a subset
of another
string
, from
begin
to
length
.
y
[
CATALOG
]
sub(
15
-
9
sum(
list
[
,
start
,
end
]
)
Returns the sum of elements of
list
from
start
to
end
.
y
[
LIST
]
MATH
5:sum(
11
-
18
tan(
value
)
Returns the tangent of a real
number, expression,
or list.
š
2
-
3
tan
L
1
(
value
)
Returns the arctangent of a
real number, expression, or
list.
y
[
TAN
L
1
]
2
-
3
Tangent(
expression
,
value
)
Draws a line tangent to
expression
at
X
=
value
.
y
[
DRAW
ä
DRAW
5:Tangent(
8
-
8
tanh(
value
)
Returns hyperbolic tangent of a
real number, expression, or list.
y
[
CATALOG
]
tanh(
15
-
10
tanh
L
1
(
value
)
Returns the hyperbolic
arctangent of a real number,
expression,
or list.
y
[
CATALOG
]
tanh
L
1
(
15
-
10
tcdf(
lowerbound
,
upperbound
,
df
)
Computes the Student-
t
distribution probability
between
lowerbound
and
upperbound
for the specified
degrees of freedom
df
.
y
[
DISTR
]
DISTR
5:tcdf(
13
-
31
Text(
row
,
column
,
text1
,
text2
,
...
,
text n
)
Writes
text
on graph beginning
at pixel (
row
,
column
), where
0
row
57 and
0
column
94.
y
[
DRAW
]
DRAW
0:Text(
8
-
12
Then
See
If:Then